All AIRAID® Premium Breather Filter are built to last “for a lifetime” guaranteed. Each AIRAID® Premium Breather Filter body is made from hand-poured urethane that won’t crack or shrink in the high-heat environment found under the hoods of today’s vehicles. Each AIRAID® Premium Breather Filter is 100-percent washable and reusable and come with AIRAID’s exclusive “No Hassle” Warranty.